2018年8月19日
POJ 3662 （二分+SPFA
摘要： Telephone Lines Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 8856 Accepted: 3211 Description Farmer John wants to set up a telephone lin 阅读全文
posted @ 2018-08-19 20:18 liylho 阅读(207) 评论(0) 推荐(0)
POJ 3171 区间最小花费覆盖 （DP+线段树
摘要： Cleaning Shifts Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 4245 Accepted: 1429 Description Farmer John's cows, pampered since birth, h 阅读全文
posted @ 2018-08-19 18:03 liylho 阅读(302) 评论(0) 推荐(0)